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Installation process 1 Download the sofa butler installation file to the U disk → 2 Enter to use the search to install the TV assistant / small Y game → 3U disk management to open the installation file → 4 to complete the installation
Steps 
Open application search 
Search for the content "DS", find the TV assistant (If you can't find the TV assistant, please also request (XY) Y game) Download and install the sofa assistant, and then select Run. 
3. Insert the U disk into the TV's USB port, enter the TV assistant, and enter the file management 
Hisense LED39K680X3DU installed sofa butler successfully. 
If the installation fails, restart the device and try again by following the steps. Still have questions please add the following sofa butler official QQ group.
Hisense LED39K680X3DU how to install the sofa butler through the U disk, Hisense LED39K680X3DU other models can also refer to this tutorial. 2. Open Hisense LED39K680X3DU's official application market, “Favorite Use†and click the arrow to enter.
1. Baidu search for "sofa manager" into the sofa network, download the sofa butler package; or directly click the link (http://app.shafa.com/shafa.apk) to download the sofa butler package.
Copy the downloaded apk installation package to the U disk.
Note: Sofa Assistant has been changed to TV Assistant
4. After entering the file management, the system will detect all APK files in the U disk, find the local storage, installation package.
5. Click Install. (Note that if you haven't enabled "Allow installation of third-party applications" before, similar prompts will pop up at this time. Please set up to allow installation of third-party applications.)
If you still can not read the U disk, it is recommended to format the U disk to FAT32 format (if there are other contents in the U disk, export and then format), or try another U disk.
Watch on-demand video on smart TV, recommend using pudding video; Watch live TV, recommend HDP live broadcast; More interesting content, please use Tencent video TV version, TV; Fun smart TV and box, more exciting content in Sofa net.